Fix a -Wsign-compare

llvm-svn: 339059

diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
index ccb534886fc42f64db30316fc53e80473f7de67b..54a90c71ac962dceb179abd20d5865d6c7a55ba6 100644 (file)
--- a/llvm/lib/CodeGen/RegisterCoalescer.cpp
+++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp
@@ -1407,7 +1407,7 @@ bool RegisterCoalescer::reMaterializeTrivialDef(const CoalescerPair &CP,
   if (ToBeUpdated.count(SrcReg))
     return true;
 
-  long NumCopyUses = 0;
+  unsigned NumCopyUses = 0;
   for (MachineOperand &UseMO : MRI->use_nodbg_operands(SrcReg)) {
     if (UseMO.getParent()->isCopyLike())
       NumCopyUses++;